Examine source code of HassanDictionaryNew

{
  "manifest_version": 2,
  "name": "Hassan Dictionary",
  "version": "1.1",
  "description": "Double-click a word for bilingual (English/Tamil) translation in a colourful popup.",
  "permissions": [
    "activeTab",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "popup.css"
      ]
    }
  ],
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_action": {
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    },
    "default_title": "Hassan Dictionary"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e43a6ace-3540-452d-948f-9930e2799845}"
    }
  }
}